From owner-svn-src-stable-7@FreeBSD.ORG Tue Dec 15 11:55:35 2009 Return-Path: Delivered-To: svn-src-stable-7@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C00FD1065693; Tue, 15 Dec 2009 11:55:35 +0000 (UTC) (envelope-from bra@fsn.hu) Received: from people.fsn.hu (people.fsn.hu [195.228.252.137]) by mx1.freebsd.org (Postfix) with ESMTP id 8A8DD8FC3E; Tue, 15 Dec 2009 11:55:31 +0000 (UTC) Received: by people.fsn.hu (Postfix, from userid 1001) id D97A21C8DBE; Tue, 15 Dec 2009 12:55:29 +0100 (CET) X-CRM114-Version: 20090423-BlameSteveJobs ( TRE 0.7.6 (BSD) ) MF-ACE0E1EA [pR: 21.8841] X-CRM114-CacheID: sfid-20091215_12552_303E3674 X-CRM114-Status: Good ( pR: 21.8841 ) Message-ID: <4B27792F.4050403@fsn.hu> Date: Tue, 15 Dec 2009 12:55:27 +0100 From: Attila Nagy User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.23) Gecko/20090817 Thunderbird/2.0.0.23 Mnenhy/0.7.6.0 MIME-Version: 1.0 To: Maxim Sobolev References: <200911151143.nAFBhTSD036619@svn.freebsd.org> <4B141D2E.1000203@FreeBSD.org> <4B142655.6030703@tomjudge.com> <4B14382F.5080000@FreeBSD.org> <20091130205141.2911011e.stas@FreeBSD.org> <4B14BF23.1030303@FreeBSD.org> <4B159540.9000503@fsn.hu> <4B162C8E.3090507@FreeBSD.org> In-Reply-To: <4B162C8E.3090507@FreeBSD.org> X-Stationery: 0.4.10 Content-Type: text/plain; charset=KOI8-U; format=flowed Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.3 (people.fsn.hu); Tue, 15 Dec 2009 12:55:28 +0100 (CET) Cc: src-committers@FreeBSD.org, svn-src-stable@FreeBSD.org, svn-src-all@FreeBSD.org, Stanislav Sedov , svn-src-stable-7@FreeBSD.org, Tom Judge Subject: Re: svn: stable/7/sys: conf dev/bce X-BeenThere: svn-src-stable-7@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for only the 7-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Dec 2009 11:55:36 -0000 Maxim Sobolev wrote: > Attila Nagy wrote: >> Maxim Sobolev wrote: >>> Stanislav Sedov wrote: >>>> On Mon, 30 Nov 2009 13:25:03 -0800 >>>> Maxim Sobolev mentioned: >>>> >>>>> Can we change the name then? We've seen the similar issue without >>>>> the jumbo frames, which made me wonder. >>>> >>>> It's strange, because 'normal' frames are less than a page size in >>>> length, >>>> so the issue I was experiencing should not be reproducable with >>>> jumbo frames >>>> disabled. Can you describe a bit more what kind of problem you're >>>> experiencing? >>> >>> The traffic through interface abruptly halts randomly when under a >>> load, without any signs of a problem. What is interesting is that >>> the communication through unix domain sockets appears to be down >>> too, since some scripts that connect to database not able to >>> complete as well, so whatever this problem is it affect the whole >>> network subsystem. We tried to replace hardware and it did not help. >>> Only after we replaced bce(4) with IntelPro card (em) the problem >>> has went away. >> Sorry, I've just noticed this thread and did not read the earlier >> posts. I can see similar, although only (at least for now) on version >> 8 (running something around RC2), also with bce interfaces and >> "heavy" -in terms of pps, this is a DNS server- network load. >> >> Everything which involves network halts for some minutes, but the >> machine is completely usable from the console. top shows some >> processes (I don't have an output, but as far as I can remember they >> were only that which did network IO) in the "keglim" state. >> Then something happens and the machine starts to work again. >> >> Can this be the same, or is it completely different? > > It really looks like the same issue. Those boxes are heavy-duty VoIP > switches, so that they are handling high PPS as well in our case. > This is what I can see when the machine freezes (and in this case restarted, sadly this is a diskless machine): last pid: 86028; load averages: 0.53, 0.35, 0.27 up 0+05:23:37 12:49:15 47 processes: 2 running, 43 sleeping, 1 zombie, 1 lock CPU: 0.1% user, 0.0% nice, 0.1% system, 27.3% interrupt, 72.6% idle Mem: 3200M Active, 21M Inact, 221M Wired, 228K Cache, 43M Buf, 4471M Free Swap: PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 720 bind 1 64 0 3153M 3154M RUN 0 63:40 0.83% unbound 85972 root 1 60 0 37428K 10936K *udp 1 0:00 0.15% python 721 bind 3 44 0 70892K 24328K uwait 2 7:38 0.00% python2.6 2575 root 1 76 0 8212K 2376K pause 1 0:06 0.00% csh 556 root 1 44 0 14972K 1848K select 3 0:05 0.00% syslog-ng I can't type on already established ssh connections, and nothing comes out from the machine (for example via syslog). This is on 8-STABLE from yesterday... Thanks,